APA-čujuhus (7. p.)
Warr, P. G. (2015). Sheffield in the Great War. Pen & Sword Military.
Chicago-čujuhus (17. p.)
Warr, Peter G. Sheffield in the Great War. Barnsley, England: Pen & Sword Military, 2015.
MLA-čujuhus (9. p.)
Warr, Peter G. Sheffield in the Great War. Pen & Sword Military, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.